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V0.9: To reduce error divide by an integer vs multiple by a fraction. 

This same change was done in the vpi directory. This patch fixes the
issues in the libveriuser directory. This fixed a fail in the vpi
timescale test under MinGW.
This commit is contained in:
Cary R 2011-12-16 19:09:48 -08:00
parent 2b67a6d465
commit e1789e7fb9
2 changed files with 6 additions and 6 deletions
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8
libveriuser/getsimtime.c
View File

@ -36,8 +36,8 @@ scale(int high, int low, void*obj) {
scaled = high; scaled = high;
scaled = (scaled << 32) | low; scaled = (scaled << 32) | low;
scaled *= pow(10, vpi_get(vpiTimePrecision,0) - scaled /= pow(10, vpi_get(vpiTimeUnit,obj ? (vpiHandle)obj : hand) -
vpi_get(vpiTimeUnit,obj ? (vpiHandle)obj : hand)); vpi_get(vpiTimePrecision,0));
return scaled; return scaled;
} }
@ -129,8 +129,8 @@ void tf_scale_realdelay(void*obj, double real, double *areal)
{ {
vpiHandle hand = vpi_handle(vpiScope, vpi_handle(vpiSysTfCall,0)); vpiHandle hand = vpi_handle(vpiScope, vpi_handle(vpiSysTfCall,0));
*areal = real * pow(10, vpi_get(vpiTimePrecision, 0) - *areal = real / pow(10, vpi_get(vpiTimeUnit, hand) -
vpi_get(vpiTimeUnit, hand)); vpi_get(vpiTimePrecision, 0));
} }
void tf_unscale_realdelay(void*obj, double real, double *areal) void tf_unscale_realdelay(void*obj, double real, double *areal)

4
libveriuser/veriusertfs.c
View File

@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2002-2009 Michael Ruff (mruff at chiaro.com) * Copyright (c) 2002-2011 Michael Ruff (mruff at chiaro.com)
* Michael Runyan (mrunyan at chiaro.com) * Michael Runyan (mrunyan at chiaro.com)
* *
* This source code is free software; you can redistribute it * This source code is free software; you can redistribute it
@ -403,7 +403,7 @@ PLI_INT32 tf_isetrealdelay(double dly, void*obj)
/* Scale delay to SimTime */ /* Scale delay to SimTime */
ivl_u64_t delay = ((dly ivl_u64_t delay = ((dly
* pow(10, tf_gettimeprecision() - tf_gettimeunit())) / pow(10, tf_gettimeunit() - tf_gettimeprecision()))
+ 0.5); + 0.5);
ti.high = delay >> 32 & 0xffffffff; ti.high = delay >> 32 & 0xffffffff;
ti.low = delay & 0xffffffff; ti.low = delay & 0xffffffff;